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A body takes 4 min to cool from 100 degree C TO 70 degree C. To cool from 70 degree C to 40 degree C it will take ( room temperature is 15 degree C ) A body takes 4 min to cool from 100 degree C TO 70 degree C. To cool from 70 [...]

Equal masses of two liquids are filled in two similar calorimeters. The rate of cooling will Equal masses of two liquids are filled in two similar calorimeters. The rate of cooling will October 4, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Consider two hot bodies B1 and B2 which have temperature 100∘C and 80∘C respectively at t = 0. The temperature of surroundings is 40∘ C. The ratio of the respective rates of cooling R1 and R2 of these two bodies at = 0 will be A black body radiates energy at the rate of E [...]

Find the roots of 4x^2 + 3x + 5 = 0 by the method of completing the square. Find the roots of 4x^2 + 3x + 5 = 0 by the method of completing the square. October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,

Find the roots of the equation 5x^2 – 6x – 2 = 0 by the method of completing the square. Find the roots of the equation 5x^2 – 6x – 2 = 0 by the method of completing the square. October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 [...]

Solve the equation given in Example 3 by the method of completing the square. Find the roots of the equation 2x^2 – 5x + 3 = 0, 1 1 Solve the equation given in Example 3 by the method of completing the square. Find the roots of the equation 2x^2 – 5x + 3 = [...]

The rectangular surface of area 8 cm × 4 cm of a black body at a temperature of 127 0 C emits energy at the rate of E per second. If the length and breadth of the surface are each reduced to half of the initial value and the temperature is raised 327 o C, [...]

Find the dimensions of the prayer hall discussed in Section 4.1. 2x^2 + x – 300 = 0 Find the dimensions of the prayer hall discussed in Section 4.1. 2x^2 + x - 300 = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,

Find the roots of the quadratic equation 3x^2 − 2 √6 x + 2 = 0 Find the roots of the quadratic equation 3x^2 − 2 √6 x + 2 = 0 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,

Find the roots of the quadratic equation 6x^2 – x – 2 = 0. Find the roots of the quadratic equation 6x^2 – x – 2 = 0. October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,